The book "Basics of System Analysis" by Vladimir Borisovich Alekseenko is a fascinating and deep immersion into the world of system thinking and analysis. In the conditions of rapid development of technologies and information systems, this work becomes an indispensable tool for students, specialists and all those who are interested in modern approaches to solving complex problems. In the pages of the book, Alekseenko reveals key concepts and methods of system analysis that help to understand how complex systems function and how they can be effectively modeled. The author shares his knowledge and experience, explaining how systems analysis can be applied in a variety of fields from business to engineering and social sciences. This makes the book a universal tool for a wide range of readers. Who can like this work? First of all, the book will be of interest to students and graduate students studying information technology, management, economics and other related disciplines . It will also be a useful resource for practitioners who wish to deepen their knowledge of systems analysis and improve their skills in system design and management. In addition, the book will be of interest to those who seek to develop critical thinking and learn to approach problems from different angles. The topics covered in the Fundamentals of Systems Analysis cover a wide range of issues, including modeling techniques, requirements analysis, system design, and performance evaluation. Alekseenko focuses on the importance of a systematic approach in solving complex problems, which is especially important in a rapidly changing world. Readers will be able to learn about how system analysis helps to identify hidden dependencies and interactions in systems, which in turn contributes to more effective decision-making. The author's style is distinguished by clarity and accessibility, which makes complex concepts understandable even for those who are just beginning to get acquainted with this topic. Alekseenko uses many examples and illustrations, which allows readers to better absorb the material and apply it in practice. His previous work has also been recognized for its in-depth analysis and practical focus, and the Fundamentals of Systems Analysis is no exception. The book not only teaches, but also inspires. It encourages the reader to think critically and view problems from different angles, which is an important skill in today's world. Systems analysis is not just a set of tools, but a whole philosophy that can change the approach to solving problems and making decisions. Thus, “Basics of System Analysis” is not just a textbook, but a real find for everyone who seeks to expand their horizons and deepen their understanding of complex systems. If you are looking for a book that will help you master the basics of system thinking and learn how to apply them in life and work, then this work will become your reliable companion in this fascinating journey. Do not miss the opportunity to get acquainted with the work of Alekseenko, which, without a doubt, will be an important step towards your professional and personal development.